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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: JCounterField.html 671 2015-01-17 15:50:55Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.lang.reflect.Method;<a name="line.10"></a>
<span class="sourceLineNo">011</span><a name="line.11"></a>
<span class="sourceLineNo">012</span>import org.jsimpledb.schema.CounterSchemaField;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import org.objectweb.asm.ClassWriter;<a name="line.13"></a>
<span class="sourceLineNo">014</span><a name="line.14"></a>
<span class="sourceLineNo">015</span>/**<a name="line.15"></a>
<span class="sourceLineNo">016</span> * Represents a counter field in a {@link JClass}.<a name="line.16"></a>
<span class="sourceLineNo">017</span> *<a name="line.17"></a>
<span class="sourceLineNo">018</span> * @see org.jsimpledb.Counter<a name="line.18"></a>
<span class="sourceLineNo">019</span> */<a name="line.19"></a>
<span class="sourceLineNo">020</span>public class JCounterField extends JField {<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>    JCounterField(JSimpleDB jdb, String name, int storageId, String description, Method getter) {<a name="line.22"></a>
<span class="sourceLineNo">023</span>        super(jdb, name, storageId, description, getter);<a name="line.23"></a>
<span class="sourceLineNo">024</span>    }<a name="line.24"></a>
<span class="sourceLineNo">025</span><a name="line.25"></a>
<span class="sourceLineNo">026</span>    @Override<a name="line.26"></a>
<span class="sourceLineNo">027</span>    public Counter getValue(JObject jobj) {<a name="line.27"></a>
<span class="sourceLineNo">028</span>        if (jobj == null)<a name="line.28"></a>
<span class="sourceLineNo">029</span>            throw new IllegalArgumentException("null jobj");<a name="line.29"></a>
<span class="sourceLineNo">030</span>        return jobj.getTransaction().readCounterField(jobj, this.storageId, false);<a name="line.30"></a>
<span class="sourceLineNo">031</span>    }<a name="line.31"></a>
<span class="sourceLineNo">032</span><a name="line.32"></a>
<span class="sourceLineNo">033</span>    @Override<a name="line.33"></a>
<span class="sourceLineNo">034</span>    public &lt;R&gt; R visit(JFieldSwitch&lt;R&gt; target) {<a name="line.34"></a>
<span class="sourceLineNo">035</span>        return target.caseJCounterField(this);<a name="line.35"></a>
<span class="sourceLineNo">036</span>    }<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span>    @Override<a name="line.38"></a>
<span class="sourceLineNo">039</span>    CounterSchemaField toSchemaItem(JSimpleDB jdb) {<a name="line.39"></a>
<span class="sourceLineNo">040</span>        final CounterSchemaField schemaField = new CounterSchemaField();<a name="line.40"></a>
<span class="sourceLineNo">041</span>        this.initialize(jdb, schemaField);<a name="line.41"></a>
<span class="sourceLineNo">042</span>        return schemaField;<a name="line.42"></a>
<span class="sourceLineNo">043</span>    }<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span>    @Override<a name="line.45"></a>
<span class="sourceLineNo">046</span>    void outputMethods(final ClassGenerator&lt;?&gt; generator, ClassWriter cw) {<a name="line.46"></a>
<span class="sourceLineNo">047</span>        this.outputReadMethod(generator, cw, ClassGenerator.READ_COUNTER_FIELD_METHOD);<a name="line.47"></a>
<span class="sourceLineNo">048</span>    }<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span>    @Override<a name="line.50"></a>
<span class="sourceLineNo">051</span>    JCounterFieldInfo toJFieldInfo() {<a name="line.51"></a>
<span class="sourceLineNo">052</span>        return new JCounterFieldInfo(this);<a name="line.52"></a>
<span class="sourceLineNo">053</span>    }<a name="line.53"></a>
<span class="sourceLineNo">054</span>}<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>




























































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